1,274 zoekresultaten voor “organic chemistry” in de Publieke website
-
Interstellar Catalysts and the PAH universe
Organic molecules in interstellar space are important as they influence the structure of galaxies and star formations. Studying catalytic processes in space allows us to understand how molecular species are formed and chemically evolved in the interstellar medium and solar system objects.
-
Dynamic real-time substrate feed optimization of anaerobic co-digestion plants
Promotores: Prof.dr. T.H.W. Bäck, Prof.dr. M. Bongards (Cologne University)
-
Minuscule moleculaire bewegingen maken efficiëntere biobrandstofcel mogelijk
Leidse onderzoekers hebben minuscule bewegingen gevonden in het laccase-enzym. Deze ontdekking kan leiden tot de ontwikkeling van veel efficiëntere biobrandstofcellen. Publicatie in Biophysical Journal.
-
25 miljoen voor onderzoek naar energie uit planten en algen
Het onderzoeksprogramma ’Towards Biosolar Cells’ krijgt van het kabinet een budget van 25 miljoen euro. Het ministerie van Landbouw, Natuur en Voedselkwaliteit (LNV) heeft het programma voorgedragen omdat het onderzoek een bijdrage gaat leveren aan duurzame energie, verbetering van de voedselvoorziening…
-
Hoe beschermen planten zich tegen te veel zonlicht?
Dat een schakeleiwit een rol speelt bij de bescherming van een plant tegen te veel zonlicht was al bekend, maar hoe precies nog niet. De onderzoeksgroep van Anjali Pandit heeft nu ontdekt dat dit eiwit van vorm verandert bij een overschot aan zonlicht. De resultaten zijn gepubliceerd in Nature Commu…
-
In memoriam Professor dr. Jan Cornelisse
Op 2 november jongstleden overleed, na een kort ziekbed, op 72-jarige leeftijd onze collega en goede vriend Jan Cornelisse.
-
Subsidie voor ontwikkeling kunstmatige groene brandstoffen
Onderzoekers van de Universiteit Leiden ontvangen een EU-subsidie van 4 miljoen euro voor het ontwikkelen van klimaatneutrale brandstoffen. Met dit geld gaan zij de brede onderzoeksgemeenschap die zich richt op groene energie verder uitbouwen. ‘Als we samen de schouders eronder zetten kunnen we de snelle…
-
Robert van Breer.a.b.van.bree@lic.leidenuniv.nl | 000 0000000
-
Femke van der Heijdenf.l.a.m.van.der.heijden@lic.leidenuniv.nl |
-
Synthesis of Ribitol Phosphate based Wall Teichoic acids
Antibiotic resistance, caused by widespread use of antibiotics, leads to bacterial infections that are difficult, if not impossible, to treat and is a major worldwide health concern.
-
Computational tools and protocols for the development of photoactivated metallodrugs
Metal-organic compounds hold great promise as photoactivated chemotherapy (PACT) agents, leveraging their unique geometric and electronic properties to achieve precise spatiotemporal control over drug activation.
-
Prijzen en Subsidies 2020
Een overzicht van awards en prijzen die in 2020 zijn toegekend aan onze medewerkers en studenten, maar ook bijzondere benoemingen aan de Universiteit Leiden en andere instellingen.
-
Thomas Hansen wint de AkzoNobel Afstudeerprijs
Thomas Hansen ontvangt op 28 november de AkzoNobel Graduation Prize for Chemistry and Process Engineering bij de Koninklijke Hollandsche Maatschappij der Wetenschappen (KHMW) te Haarlem. Hij wint deze prijs voor fundamenteel onderzoek naar de glycosyleringsreactie, de meest gebruikte reactie in de synthese…
-
Design of branched swainsonines as selective Colgi alpha-mannosidase II inhibitors
Design and synthesis of two 3-substituted swainsonine derivatives with the aim to improve the potency and selectivity towards Golgi alpha-mannosidase II.
-
Design of selective inhibitors for human immunoproteasomes
The thesis describes the development, synthesis and biological evaluation of several proteasome inhibitor designs. Mainly, this work focusses on designing proteasome inhibitors that selectively inhibit the immunoproteasome, while leaving the constitutive proteasome mostly, if not completely, untouch…
-
Exploring the Versatility of Human β-Glucosidases and Related Glycosylated Metabolites with Novel Chemical Tools
Thesis focused on uncovering the underlying mechanisms of the lysosomal storage disorders Gaucher's disease using chemical tools, biochemical assays and lipidomics.
-
Inhibitors and probes targeting endo-glycosidases
The chemical synthesis of inhibitors and probes targeting endo-glycosidases.
-
Design and synthesis of next generation carbohydrate-mimetic cyclitols: towards deactivators of inverting glycosidases and glycosyl transferases
Synthetic methodlogy is described, aiding in the synthetic preparation of putative inhibitors of retaining and inverting glycosidases and glycosyl transferases. All constructs are cyclophellitol-based cyclitols.
-
Synthesis of mycobacterial phenolic glycolipids
Het proefschrift omschrijft de chemische synthese van fenolische glycolipiden van verschillende mycobacteriën met het doel om deze te kunnen gebruiken voor immunologisch onderzoek.
-
Tools for real-time study of bioorthogonal conversions in the living system
Traditional biochemical methods for studying organelles require cell disruption, preventing the real-time observation of dynamic intracellular processes.
-
Klopjacht op kunstmatige bladeren en goedkope fotobiologische cellen
Kunstmatige bladeren, goedkope fotobiologische cellen. Dat zijn producten waarop BioSolar Cells zich met € 42 miljoen subsidie vijf jaar gaat richten. In BioSolar Cells werken 34 partijen, waaronder de Universiteit Leiden, samen in een klopjacht op de duurzame productie van bio-energie en voedsel door…
-
Unconventional fabrication of 2D nanostructures and graphene edges
In this work, we illustrate unconventional approaches towards the fabrication of edge functionalized graphene nanostructures and bidimensional architectures in polymeric and metallic supports, with an outlook towards molecular sensing devices.
-
Targeting of antigen-presenting cells with mannosylated conjugates
This thesis describes the development of a variety of mannosylated conjugates. Antigen presenting cells bear mannoside recognizing receptors that actively transport antigen into the cell. This thesis exploits this feature for the development of improved vaccines.
-
The use of activity based protein profiling to study proteasome biology
Promotor: H.S. Overkleeft, Co-Promotor: B.I. Florea
-
Substrates and inhibitors to study and modulate ER-I α-glucosidase activity
This thesis describes research aimed at discovering inhibitors selective for either of the two endoplasmic reticulum α-glucosidases, ER-I and ER-II, with the overarching goal of discovering new antiviral agents to treat viruses that rely on host N-glycosylation for proliferation.
-
Photothermal studies of single molecules and gold nanoparticles: vapor nanobubbles and conjugated polymers
Promotor: M.A.G.J. Orrit
-
Haifeng Zhouh.zhou@cml.leidenuniv.nl | 071 5272727
-
Roxanne Kieltykar.e.kieltyka@chem.leidenuniv.nl | 071 5274441
-
Lipid bilayers decorated with photosensitive ruthenium complexes
Promotor: Prof.dr. E. Bouwman, Co-promotor: S. Bonnet
-
Chemical synthesis of fragments of galactosaminogalactan and pel polysaccharides
The work described in this Thesis is focused on the assembly of oligosaccharide fragments derived from a fungal polysaccharide, galactosaminogalactan (GAG) and fragments of the exopolysaccharide Pel, generated by Pseudomonas aeruginosa.
-
The development of molecular tools for investigating NAD+ metabolism and signalling
Nicotinamide adenine dinucleotide (NAD+) is the substrate used for the introduction of the ubiquitous and highly dynamic PTM in which either one or multiple adenosine diphosphate ribose (ADPr) moieties are covalently attached to a nucleophilic side chain of an specific amino acid in the target protein…
-
Mechanism-based inhibitors and probes for neuraminidases
Neuraminidases are enzymes that cleave glycosidic linkages of sialic acid. These enzymes are involved in influenza infections as well as in many cellular processes in mammals and micro-organisms.
-
Anthe Janssen wint Unilever Research Prijs 2014
Anthe Janssen studeerde ‘summa cum laude’ af voor de masteropleiding Chemistry. Hij gebruikte NMR methoden om inzicht te krijgen in de synthese en het gedrag van bio suiker.
-
Discovery of novel inhibitors to investigate diacylglycerol lipases and α/β hydrolase domain 16A
Promotor: H.S. Overkleeft, Co-promotor: M. van der Stelt
-
Molecular and Nano-Engineering with Iron, Ruthenium and Carbon: Hybrid structures for Sensing
Metal complexes and 2D materials like graphene were combined to produce structures that can function as sensors.
-
Affinity-based profiling of the adenosine receptors
The adenosine receptors are proteins that reside in the extracellular membranes of cells. Activation of adenosine receptors plays a role in many physiological and pathological processes, such as immune responses and cancers.
-
Arjan de Koningkoning@cml.leidenuniv.nl | 071 5275653
-
Sander van Kasterens.i.van.kasteren@chem.leidenuniv.nl | 071 5274725
-
Chemical Biology
Het chemische biologie-onderzoek bij het Leids Instituut voor Chemisch Onderzoek (LIC) is gericht op het begrijpen van biologische processen op moleculair niveau, om zo onze kennis te vergroten over gezondheid en ziekte van de mens.
-
Design and Synthesis of Inhibitors and Probes for Sulfoquinovosidases and Xylanases
This thesis focuses on the design and synthesis of activity-based probes and inhibitors targeting enzymes involved in the degradation of specific plant glycans.
-
Bioorthogonal deprotection strategy to study T-cell activation and cross- presentation
Cytotoxic T-cells (CTLs) are involved in the clearance of viruses and killing of tumor cells.
-
Towards the development of synthetic vaccines against tuberculosis
The research described in this Thesis was aimed at designing and synthesizing nature-inspired compounds as part of TB vaccine discovery.
-
Synthesis of well-defined ADP-Ribosylated biomolecules
Promotor: G. A. van der Marel, Co-promotor: D. V. Filippov
-
The synthesis of mannose-derived bioconjugates and enzyme inhibitors
Promotores: H.S. Overkleeft, G.A. van der Marel, Co-Promotor: J.D.C. Codee
-
Synthesis and applications of cell wall glycopolimer fragments from Staphilococci and Enterococci
Carbohydrates are present on the surface of bacteria making them suitable antigen candidates for vaccine development. This thesis deals with the synthesis of two carbohydrate-based components; the capsular polisaccharide of S. aureus type 5 and teichoic acids from staphilococci and enterococci speci…
-
Cyclophellitol and its derivatives: synthesis and application as beta-glycosidase inhibitors
Promotores: Prof.dr. H.S. Overkleeft, Prof.dr. G.A. van der Marel
-
Photocatalytic approaches for carbon-heteroatom bond construction
Photocatalysis has emerged as a powerful tool for enabling challenging transformations in organic synthesis. This thesis explores the development of several photocatalytic reactions designed to form carbon-heteroatom bonds from less-functionalized precursors.
-
Design, synthesis, and evaluation of antigenic peptide conjugates containing Toll-like receptor agonists
This thesis describes the design, synthesis, and immunological evaluation of varying (neo)antigenic peptide conjugates containing either a TLR2 or a TLR7 agonist.
-
Institute for Chemical Immunology
Overkleeft
-
Development of synthetic procedures towards immunostimulating carbohydrates
Promotor: Prof.dr. G.A. van der Marel, Co-Promotor: J.D.C. Codée